> Can anybody point an important and successful system (preferably open source) that is built following Hexagonal, Onion, or Clean architecture? Most of the pr

> Can anybody point an important and successful system (preferably open source) that is built following Hexagonal, Onion, or Clean architecture? Most of the projects I ever workers with either started off as DD+Clean/Hexagonal architecture, or were refactored to comply with those architecture styles. It's easy to understand why once you realize that those buzzwords are basically tags for a group of fundamental best practices that lead projects to become clear and easy to include changes.